\documentclass[10pt,a4paper]{article}

% Packages
\usepackage{fancyhdr}           % For header and footer
\usepackage{multicol}           % Allows multicols in tables
\usepackage{tabularx}           % Intelligent column widths
\usepackage{tabulary}           % Used in header and footer
\usepackage{hhline}             % Border under tables
\usepackage{graphicx}           % For images
\usepackage{xcolor}             % For hex colours
%\usepackage[utf8x]{inputenc}    % For unicode character support
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\usepackage{colortbl}           % For coloured tables
\usepackage{setspace}           % For line height
\usepackage{lastpage}           % Needed for total page number
\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{Gloups}
\pdfinfo{
  /Title (refcard-dhcp.pdf)
  /Creator (Cheatography)
  /Author (Gloups)
  /Subject (Refcard DHCP Cheat Sheet)
}

% Lengths and widths
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\renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit
% This two commands together give roughly
% the right line height in the tables
\renewcommand{\arraystretch}{1.3}
\onehalfspacing

% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
\newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols
\newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns
\newcommand{\tn}{\tabularnewline} % Required as custom column type in use

% Font and Colours
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\renewcommand{\familydefault}{\sfdefault}
\color{TextColor}

% Header and Footer
\pagestyle{fancy}
\fancyhead{} % Set header to blank
\fancyfoot{} % Set footer to blank
\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
    }
\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Refcard DHCP Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Gloups} via \textcolor{DarkBackground}{\uline{cheatography.com/208548/cs/44785/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}Gloups \\
  \uline{cheatography.com/gloups} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 25th October, 2024.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
  \SetRowColor{white}
  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{3}

\begin{tabularx}{5.377cm}{x{2.4885 cm} x{2.4885 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Configuration IP}}  \tn
% Row 0
\SetRowColor{LightBackground}
Serveur & Client \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\seqsplit{/etc/default/isc-dhcp-server} {[}fichier DHCP config serveur{]} & \seqsplit{/etc/network/interfaces} {[}fichier config client{]} \tn 
% Row Count 4 (+ 3)
% Row 2
\SetRowColor{LightBackground}
INTERFACESv4="eth0" & iface eth0 inet dhcp {[}prend une IP serveur (ne pas mettre 'auto'){]} \tn 
% Row Count 8 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.4885 cm} x{2.4885 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Configurations DHCP}}  \tn
% Row 0
\SetRowColor{LightBackground}
Silencieuse & Dynamique et Statique \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\seqsplit{/etc/dhcp/dhcpd.conf} {[}fichier config DHCP{]} & default-lease-time 600 ; min-lease-time 300 ; max-lease-time 7200 ; subnet 192.168.10.0 netmask 255.255.255.0 \{ range 192.168.10.100 192.168.10.150 ; host my\_server \{ hardware ethernet a0:00:01:02:03:04 ; fixed-address 192.168.10.200 ; \} option routers 192.168.10.1 ; \} {[}bloc subnet{]} \tn 
% Row Count 17 (+ 15)
% Row 2
\SetRowColor{LightBackground}
systemctl restart isc-dhcp-server {[}redémarre DHCP{]} & \seqsplit{/var/lib/dhcp/dhcpd.leases} {[}fichier bail serveur{]} \tn 
% Row Count 20 (+ 3)
% Row 3
\SetRowColor{white}
systemctl status isc-dhcp-server {[}état DHCP{]} & \seqsplit{/var/lib/dhcp/dhclient}.\textless{}iface\textgreater{} {[}bail client{]} \tn 
% Row Count 23 (+ 3)
% Row 4
\SetRowColor{LightBackground}
journalctl -{}-unit \textless{}service\textgreater{} -{}-lines \textless{}N\textgreater{} {[}n lignes journal log{]} & dhclient -r eth0 {[}libérer bail en debug{]} \tn 
% Row Count 27 (+ 4)
% Row 5
\SetRowColor{white}
journalctl -{}-unit isc-dhcp-server -{}-follow {[}logs en temps réel{]} & ifdown -{}-force eth0 {[}libérer bail{]} \tn 
% Row Count 31 (+ 4)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{5.377cm}{x{2.4885 cm} x{2.4885 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Configurations DHCP (cont)}}  \tn
% Row 6
\SetRowColor{LightBackground}
dhclient -d eth0 {[}debug client{]} & systemctl stop isc-dhcp-server {[}réallocation bail client{]} \tn 
% Row Count 3 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Man In The Middle}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{DHCP Spoofing} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{dhclient -r eth0 {[}relâcher configuration réseau{]}} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{ettercap -Tzq -M dhcp:/255.255.255.0/\textless{}IP DHCP1\textgreater{} {[}lancer attaque sur autre client{]}} \tn 
% Row Count 4 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}